Of Heavy Metals In Traditional Chinese Medicine

Chinese Traditional Medicine is one important part of conventional medicine in the word and it also is Chinese treasure. Recently, the international organization pays attention to the contents of heavy metal elements in Chinese Traditional Medicines and the import medicines are regulated definitely. Germany Medicine Law regulates: herb finished product must have the same quality, safety and standard of curative effect. The guide line of heavy metals, remain of pesticide and animalcule are determined in the import material. Chinese Traditional Medicine preparation belongs to the health foodstuffs in America and the harmful elements, such as mercury, arsenic, lead, and cadmium, are controlled severely. The status of Chinese Traditional Medicine is established in Japan, Korea and Singapore, and so on, but the import herbs must be determined. So we should refer these countries techniques and controlled standard, combining with the concrete situation of our country, to establish the country standard method and controlled standard of heavy metal elements in Chinese Traditional Medicines in order to walk out the home and participate the competition of international medicine market. The sources of heavy metals pollution are complex, so it is necessary to study the reasons and countermeasures of over standard.In order to establish the content control standard of heavy metal elements in Chinese Traditional Medicines, the advanced method for determination of heavy metal elements should be established first of all. Then according to the physiological activity of each trace heavy metal element, combining the regulation of the World Health Organization and the samples determination data of the concrete situation of our country, the content control standard is established. This paper includes six parts:Chapter one studies and establishes country standard method for the determination of heavy metal elements and expatiates the significances, states, problems, methods and approaches of setting limit to control standard.Chapter two summarizes the analytic application of heavy metal elements ofmicrowave digestion technique in Chinese traditional medicines.Chapter three studies the conditions of microwave digestion and establishes the method for determination of mercury, arsenic and copper in Chinese Traditional Medicines.Chapter four studies the conditions of microwave digestion of several main export medicines and the determination of different kind medicines..Chapter five summarizes the reasons and countermeasures of over standard heavy metal elements.Chapter six studies the accumulation of mercury in Xiongliqing in rat.